<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>arguments</title>
    <script>
        function arg() {
            // console.log(arguments);
            for (var i = 0; i < arguments.length; i++) {
                console.log(arguments[i]);
            }
        }
        arg(1, 2, 3);
        arg(1, 2, 3, 4, 5);
    </script>
</head>

<body>

</body>

</html>